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VIVALDI M 680

Q8 Vivaldi M 680 is an exceptional heavy duty circulating oil specially designed for no-twist rod mills. This superior circulating oil fully meets the requirements of Morgoil no-twist rod mills and Danielli rod mills. Q8 Vivaldi M 680 offers extreme demulsibility and is the perfect product for circulating lubrication in gears and bearings

  • Q8 Vivaldi M 680 is used in no-twist rod mills, hydraulic applications that require a high viscosity oil, marine and industrial gearboxes and general equipment. It is highly recommended for plain and rolling bearings. Q8 Vivaldi M 680 is suited for valves and pumps and for moderate duty spur, bevel and helical gear units.
  • Minimizes downtime which leads to a higher maintenance efficiency
  • Extensive oil drain interval for a longer lubricant lifetime
  • Superior separation of water
  • Excellent air release
  • Extreme protection against corrosion
  • Outstanding oxidation stability
  • Low residue forming
  • Outstanding foam stability
Properties Method Unit Typical
ISO Viscosity Grade  -  - 680
Density, 20 °C D 4052 g/ml 0,908
Colour D 1500  - L 4.5
Kinematic Viscosity, 40 °C D 445 mm²/s 680
Kinematic Viscosity, 100 °C D 445 mm²/s 37.9
Viscosity Index D 2270  - 92
Pour Point D 97 °C -6
Flash Point, COC D 92 °C 264
Emulsion, Distilled Water, 82.2 °C D 1401  - 40-40-0(20)
Foam, 5 min blowing, seq. 1-2-3 D 892 ml 10/20/10
Foam, 10 min settling, seq. 1-2-3 D 892 ml 0/0/0
Rust Test, Proc. A and B, 24 h D 665  - pass
Copper Strip, 3 h, 100 °C D 130  - 1
FZG Test, A/8.3/90 DIN 51354 load stage >12

*The figures above are not a specification. They are typical figures obtained within production tolerances.

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